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Antidepressant-Like Effect of Different Estrogenic Compounds in the Forced Swimming Test
The present study evaluated the possible antidepressant-like action of the natural estrogen 17β-estradiol (E2, 2.5–10 μg/rat), the synthetic steroidal estrogen ethinyl-estradiol (EE2, 1.25–10.0Expand
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Stimulation of 5-HT1A and 5-HT1B receptors in brain regions and its effects on male rat sexual behaviour.
In the present series of experiments we compared the effect of injecting serotonin (40 micrograms/cannula), the 5-HT1A agonist, 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT) (5.0Expand
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Interaction between estrogens and antidepressants in the forced swimming test in rats
RationaleSeveral reports suggest that estrogens possess antidepressant effects and could facilitate the action of some antidepressants.ObjectiveTo analyze the interaction between three differentExpand
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Anxiolytic-like actions of testosterone in the burying behavior test: role of androgen and GABA-benzodiazepine receptors
The first objective of the present study was to explore if several androgens, including testosterone propionate (TP) and its reduced metabolites, 5alpha-androstan-3alpha, 17beta-diolExpand
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Estrogens participate in the antidepressant-like effect of desipramine and fluoxetine in male rats
In male rats, the antidepressant-like effect of fluoxetine (FLX) and desipramine (DMI) in the forced swimming test (FST) is reduced by orchidectomy and partially restored by testosterone (T). It isExpand
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Role of maternal behavior on aggression, fear and anxiety
Concomitant to the expression of maternal behavior, the lactating female develops anxiolysis in the elevated plus maze test, aggression towards intruders and reduced fear in response to a suddenExpand
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Participation of the 5-HT1A Receptor in the Antidepressant-Like Effect of Estrogens in the Forced Swimming Test
The aim of the present study was to explore the possible participation of the 5-HT1A receptor in the antidepressant-like action of two estrogenic compounds: 17β-estradiol (E2) and ethynil-estradiolExpand
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Inhibitory Effect of Buspirone and Diazepam, but not of 8-OH-DPAT, on Maternal Behavior and Aggression
The action of diazepam (0.0, 1.0, and 2.0 mg/kg) and the serotonergic compounds buspirone (0.0, 2.5, and 5.0 mg/kg) and 8-OH-DPAT (0.0, 0.1, and 1.0 mg/kg) on maternal behavior and aggression wereExpand
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Aging increases the susceptibility to develop anhedonia in male rats
The objective of this study was to establish the effect of aging on the development of anhedonia, a core feature of depression. Young and old male Wistar rats (of around 3-5 and 12-15 months,Expand
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Changes in burying behavior during the estrous cycle: Effect of estrogen and progesterone
This study demonstrates changes in cumulative burying behavior during various phases of the rat estrous cycle. Low levels of burying behavior were observed during late proestrus. Similar buryingExpand
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